Back-End/ Platform Engineer

BLACKROCK STRATEGY INC•Washington, DC

7d•Onsite

About The Position

Blackrock Strategy, Inc. is seeking a Back-End / Platform Engineer to design, develop, deploy, and sustain secure application services and infrastructure for mission-critical operational capabilities across unclassified and classified environments. The role leads back-end development, platform engineering, deployment automation, and systems integration to support reliable, scalable, and secure application performance. The engineer collaborates with product, data, and operational teams to connect systems, accelerate capability delivery, and support continuous improvement. Working directly with military operators and Government stakeholders, the engineer translates operational challenges into practical technical solutions, validates performance in real-world environments, and supports rapid product iteration. The position also provides architectural and technical guidance to the Product Lead. The work is primarily on-site at Government facilities, classified environments, and operational locations within the National Capital Region, with approximately 25% CONUS and OCONUS travel.

Requirements

U.S. citizenship and an active Secret security clearance.
Ability to obtain and maintain a TS/SCI clearance.
Demonstrated experience in back-end software development, platform engineering, or systems integration.
Strong knowledge of APIs, distributed systems, scalable application design, and performance optimization.
Experience with infrastructure-as-code, containerization, CI/CD pipelines, and automated deployments.
Experience deploying or operating software in secured or restricted environments.
Working knowledge of cybersecurity controls, authentication, authorization, and secure data-access practices.
Strong analytical, troubleshooting, technical documentation, and communication skills.
Ability to collaborate with multidisciplinary engineering teams and Government stakeholders.
Ability to support embedded, operator-facing work and rapidly evolving mission requirements.
Valid U.S. passport and ability to travel domestically and internationally.

Nice To Haves

Bachelor's degree in Computer Science, Software Engineering, Systems Engineering, Information Technology, or a related field.
Active TS/SCI clearance.
Experience operating within SIPRNet or comparable classified environments, including accreditation or security authorization activities.
Familiarity with the Maven ecosystem and its application or integration architecture.
Prior military service or experience supporting DoD, Intelligence Community, or aerospace and defense programs.
Proficiency with Python, Java, C#, Go, or similar back-end programming languages.
Experience with Docker, Kubernetes, Terraform, Ansible, or comparable infrastructure technologies.
Familiarity with DevSecOps, Zero Trust architecture, RMF, and secure software-development practices.
Experience supporting operational experimentation, rapid prototyping, or technology fielding.
Relevant professional certifications in cloud architecture, cybersecurity, DevSecOps, or systems engineering; equivalent demonstrated experience is accepted.

Responsibilities

Design, develop, and maintain scalable back-end services, APIs, and integration frameworks for mission-critical applications.
Architect and optimize distributed systems for reliability, performance, security, and interoperability.
Develop and maintain CI/CD pipelines, infrastructure-as-code, containerized environments, and automated deployment processes.
Lead deployment and integration activities across unclassified, SIPRNet, and other authorized secure environments.
Implement authentication, authorization, encryption, access controls, and security configurations consistent with applicable requirements.
Support system accreditation, security authorization, and cross-domain data-handling requirements.
Collaborate with data engineering and product teams on service interfaces, data-access patterns, and integration architectures.
Support system-of-systems architecture, including interface standards, component boundaries, and technical tradeoff assessments.
Work with operational users to troubleshoot issues, validate capabilities, and incorporate feedback into product improvements.
Develop technical documentation for system architecture, deployment, operational procedures, and long-term Government sustainment.